403132420 has 12 divisors (see below), whose sum is σ = 846578124. Its totient is φ = 161252960.

The previous prime is 403132403. The next prime is 403132423. The reversal of 403132420 is 24231304.

It can be written as a sum of positive squares in 2 ways, for example, as 55086084 + 348046336 = 7422^2 + 18656^2 .

It is not an unprimeable number, because it can be changed into a prime (403132423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10078291 + ... + 10078330.

It is an arithmetic number, because the mean of its divisors is an integer number (70548177).

Almost surely, 2^403132420 is an apocalyptic number.

It is an amenable number.

403132420 is an abundant number, since it is smaller than the sum of its proper divisors (443445704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

403132420 is a wasteful number, since it uses less digits than its factorization.

403132420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20156630 (or 20156628 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 403132420 is about 20078.1577840199. The cubic root of 403132420 is about 738.7246232371.

Adding to 403132420 its reverse (24231304), we get a palindrome (427363724).

The spelling of 403132420 in words is "four hundred three million, one hundred thirty-two thousand, four hundred twenty".